Readings before the first class

Download the textbook as described in the course syllabus

Before the first class meeting, read the Preface and make a first reading of sections 1.1 (Motivation) and 1.2 (Categories and functors).  Pay close attention to the examples and exercises.  Try to solve each of the exercises.  It is not necessary to write up your answers, but come prepared on Monday, January 11 to discuss exercises.